1616360216504 has 32 divisors (see below), whose sum is σ = 3306365017200. Its totient is φ = 734670597120.

The previous prime is 1616360216503. The next prime is 1616360216521. The reversal of 1616360216504 is 4056120636161.

It is a super-2 number, since 2×1616360216504² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616360216503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1237064 + ... + 2182440.

Almost surely, 2^{1616360216504} is an apocalyptic number.

It is an amenable number.

1616360216504 is an abundant number, since it is smaller than the sum of its proper divisors (1690004800696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1616360216504 is a wasteful number, since it uses less digits than its factorization.

1616360216504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964823 (or 964819 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 1616360216504 in words is "one trillion, six hundred sixteen billion, three hundred sixty million, two hundred sixteen thousand, five hundred four".